Tube light



FIG. 1 is a front-right-bottom perspective view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front elevational view thereof.

The bracket which appears in FIGS. 1 to 5 indicates an indeterminatelength, and the broken lines which appear throughout the drawingdisclosure form no part of the claimed design.

The ornamental design for an tube light, as shown and described.